video transmission

Single-stub matching - Single-stub matching of transmission lines to loads A worked example

Gamma Match Article - A working analysis of the gamma-match problem that gives usefull practical results. New light on the question of when it will and when it won't give a perfect match to the coaxial transmission line.

Video of a W3DZZ Trapped Antenna - Video construction of a multiband HF trapped dipole antenna based on a variation of the classic W3DZZ design

HamBrief.TV - Ham Radio video cast sponsored by 73s.org

Numbers Stations - About numbers stations, and their criptic transmissions, where to listen to them and some audio recording samples by fascinating shortwaves

Hamatrix - Amateur radio videos collection

ARVN Amateur Radio Video News - Documentary and seminar videos for and about Amateur Radio, on DVD and online. Some make excellent club meeting programs.

Hamvention Dayton live video - W5KUB Broadcasting live video and audio from ARRL National Convention (Dayton Hamvention)

Meteo Fax and RTTY frequencies - List of freqencies where is possible to listen to teletype RTTY meteo fax transmissions

EA8ATE Sergio - Greetins from Gran Canaria, Canary Island, includes many information and video about digital modes, in spanish

WSPRnet Weak Signal Propagation Reporter Network - A group of amateur radio operators using K1JT's MEPT_JT digital mode to probe radio frequency propagation conditions using very low power transmissions. Computer sent/received Morse signals received by amateurs and collected on an online database.

Youtube vide ICOM IC-7000 TV Mod - YY5PER video of a Icom IC-7000 modified for TV reception

ICOM IC-7000 Downloads - Here you will find any useful downloads for IC-7000. Manuals, video clips, reviews, brochures

Yaesu FT-2000 YouTube videos - Yaesu FT-2000 on YouTube

Yaesu FT-450 Review by VE3RPF - This is a video review of the yaesu ft-450 amateur radio transceiver. This radio operates on hf and 6m with a built in antenna tuner.

Yaesu Ft 450 Review KC2UOO - Kc2uoo review of the yaesu ft-450 in this youtube video

YouTube - Yaesu FT-450 Review - SP7PKI video review of the Yaesu FT-450

TH-D7E modifications - Extending reception and transmission of a Kenwood TH-D7, upgrading firmware, enabling the SKY-COMMAND

Yaesu VX 6r YouTube video - Youtube video about Yaesu Vertex VX-6R

Yaesu VX-8R - Audio Problem Solved - Videos and details on a audio problems of yaesu VX-8R

Yaesu VX-8R at Dayton Hamvention - Yaesu vx-8r prototype quad-bander on display at the 2008 dayton hamvention. Youtube video

linsmith - A Linux Smith charting program. You can enter either discrete components or transmission lines, see the results on screen and/or generate Postscript output. Component values can be changed numerically or using scrollbar

WSPR - WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions. Stations with internet access can automatically upload their reception reports to a central db

RF Probe - The Sharpie Probe, homemade with simple tools and few resistors

N2PK Vector Network Analyzer - Homebrew VNA capable of both transmission and reflection measurements from 0.05 to 60 MHz